LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_dgttrs()

lapack_int LAPACKE_dgttrs ( int  matrix_layout,
char  trans,
lapack_int  n,
lapack_int  nrhs,
const double *  dl,
const double *  d,
const double *  du,
const double *  du2,
const lapack_int ipiv,
double *  b,
lapack_int  ldb 
)

Definition at line 36 of file lapacke_dgttrs.c.

40 {
41  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42  LAPACKE_xerbla( "LAPACKE_dgttrs", -1 );
43  return -1;
44  }
45 #ifndef LAPACK_DISABLE_NAN_CHECK
46  if( LAPACKE_get_nancheck() ) {
47  /* Optionally check input matrices for NaNs */
48  if( LAPACKE_dge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
49  return -10;
50  }
51  if( LAPACKE_d_nancheck( n, d, 1 ) ) {
52  return -6;
53  }
54  if( LAPACKE_d_nancheck( n-1, dl, 1 ) ) {
55  return -5;
56  }
57  if( LAPACKE_d_nancheck( n-1, du, 1 ) ) {
58  return -7;
59  }
60  if( LAPACKE_d_nancheck( n-2, du2, 1 ) ) {
61  return -8;
62  }
63  }
64 #endif
65  return LAPACKE_dgttrs_work( matrix_layout, trans, n, nrhs, dl, d, du, du2,
66  ipiv, b, ldb );
67 }
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
lapack_int LAPACKE_dgttrs_work(int matrix_layout, char trans, lapack_int n, lapack_int nrhs, const double *dl, const double *d, const double *du, const double *du2, const lapack_int *ipiv, double *b, lapack_int ldb)
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
int LAPACKE_get_nancheck()
Here is the call graph for this function: